@misc{indiciae95a97b2403bc,
  title = {On the downstream boundary conditions for the vorticity-stream function formulation of two-dimensional incompressible flows},
  author = {Tezduyar, T. E. and Liou, J.},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19920054890},
  note = {Source identifier: 19920054890}
}